συγκατάκειμαι

A. lie with, of sexual intercourse, ἀνδράσι Ar. Ec. 614 (anap.): abs., Pl. Smp. 191e, Phdr. 255e.
2. recline with at meals, δεσπότῃ, of a dog, Gal. 18(1).291: abs., οἱ συγκατακείμενοι the guests, Plu. 2.660a.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project